Changes to /etc/network/interfaces already get automatically applied
by pvenetcommit. In order to support automatically applying all
configuration files generated by proxmox-network-interface-pinning,
add two additional service that apply the SDN and the firewall
configuration respectively.

If the network configuration gets automatically applied, it makes
sense that the SDN configuration should also get re-applied, since it
relies on the current network configuration for some features (e.g.
SNAT ouput interface, IS-IS interface, ..).

For the firewall, the configuration file that gets automatically
applied is currently only generated by
proxmox-network-interface-pinning, so anyone not using that tool
should see no effect at all.

They are split into their own one-shot services, since pvenetcommit
needs to run before the network configuration gets loaded and applied
by ifupdown2, but pvesdncommit requires the new network configuration
to be already applied in order to work properly. pvefirewallcommit
requires at least pmxcfs to be up and running, since it reads / writes
configuration files there.

Signed-off-by: Stefan Hanreich <s.hanre...@proxmox.com>
---

Notes:
    We could alternatively only enable those services (or at least, the FW
    one) in the pinning tool and disable them once they ran successfully
    if we want to refrain from making this the default behavior for the
    SDN configuration.

 bin/Makefile                       |  4 +++-
 bin/pvefirewallcommit              | 14 ++++++++++++++
 bin/pvesdncommit                   | 14 ++++++++++++++
 debian/postinst                    |  2 +-
 services/Makefile                  |  4 +++-
 services/pvefirewallcommit.service | 13 +++++++++++++
 services/pvesdncommit.service      | 13 +++++++++++++
 7 files changed, 61 insertions(+), 3 deletions(-)
 create mode 100644 bin/pvefirewallcommit
 create mode 100644 bin/pvesdncommit
 create mode 100644 services/pvefirewallcommit.service
 create mode 100644 services/pvesdncommit.service

diff --git a/bin/Makefile b/bin/Makefile
index fcace77bd..c59f9ec0c 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -29,7 +29,9 @@ SCRIPTS =                     \
 
 HELPERS =                      \
        pve-startall-delay      \
-       pve-init-ceph-crash
+       pve-init-ceph-crash \
+       pvefirewallcommit   \
+       pvesdncommit
 
 SERVICE_MANS = $(addsuffix .8, $(SERVICES))
 
diff --git a/bin/pvefirewallcommit b/bin/pvefirewallcommit
new file mode 100644
index 000000000..ebcf9812d
--- /dev/null
+++ b/bin/pvefirewallcommit
@@ -0,0 +1,14 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use PVE::INotify;
+
+my $local_node = PVE::INotify::nodename();
+my $current_fw_config_file = "/etc/pve/nodes/$local_node/host.fw";
+my $new_fw_config_file = "/etc/pve/nodes/$local_node/host.fw.new";
+
+rename($new_fw_config_file, $current_fw_config_file) if -e $new_fw_config_file;
+
+exit 0;
diff --git a/bin/pvesdncommit b/bin/pvesdncommit
new file mode 100644
index 000000000..2654e17ed
--- /dev/null
+++ b/bin/pvesdncommit
@@ -0,0 +1,14 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use PVE::Network::SDN;
+
+PVE::Network::SDN::commit_config();
+
+PVE::Network::SDN::generate_zone_config();
+PVE::Network::SDN::generate_dhcp_config();
+PVE::Network::SDN::generate_controller_config(1);
+
+exit 0;
diff --git a/debian/postinst b/debian/postinst
index aba399045..dac40c3d8 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -170,7 +170,7 @@ case "$1" in
     # same as dh_systemd_enable (code copied)
 
     UNITS="pvedaemon.service pveproxy.service spiceproxy.service 
pvestatd.service pvebanner.service pvescheduler.service pve-daily-update.timer"
-    NO_RESTART_UNITS="pvenetcommit.service pve-guests.service"
+    NO_RESTART_UNITS="pvenetcommit.service pve-guests.service 
pvesdncommit.service pvefirewallcommit.service"
 
     for unit in ${UNITS} ${NO_RESTART_UNITS}; do
         deb-systemd-helper unmask "$unit" >/dev/null || true
diff --git a/services/Makefile b/services/Makefile
index 8a60fa9bb..b056c7c4d 100644
--- a/services/Makefile
+++ b/services/Makefile
@@ -13,7 +13,9 @@ SERVICES=                     \
        pve-storage.target      \
        pve-daily-update.service\
        pve-daily-update.timer  \
-       pvescheduler.service
+       pvescheduler.service    \
+       pvesdncommit.service    \
+       pvefirewallcommit.service
 
 .PHONY: install
 install: $(SERVICES)
diff --git a/services/pvefirewallcommit.service 
b/services/pvefirewallcommit.service
new file mode 100644
index 000000000..1c9a70e74
--- /dev/null
+++ b/services/pvefirewallcommit.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Commit Proxmox VE Firewall changes
+DefaultDependencies=no
+Wants=pve-cluster.service
+After=pve-cluster.service
+
+[Service]
+ExecStart=/usr/share/pve-manager/helpers/pvefirewallcommit
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
diff --git a/services/pvesdncommit.service b/services/pvesdncommit.service
new file mode 100644
index 000000000..b8b8c781f
--- /dev/null
+++ b/services/pvesdncommit.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Commit Proxmox VE SDN changes
+DefaultDependencies=no
+Wants=pve-cluster.service network.target
+After=frr.service network.target pve-cluster.service
+
+[Service]
+ExecStart=/usr/share/pve-manager/helpers/pvesdncommit
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
-- 
2.39.5


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